The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 24, 2004
Filed:
Oct. 08, 2002
Applicant:
Inventors:
Sanjeev Redkar, Union City, CA (US);
Ashok Gore, San Ramon, CA (US);
Assignee:
Super Gen, Inc., Dublin, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 3/14738 ; C07D / ;
U.S. Cl.
CPC ...
A61K 3/14738 ; C07D / ;
Abstract
Amorphous forms of 9-nitrocamptothecin are provided by grinding or pulverizing different polymorphic forms of 9-nitrocamptothecin, and the polymorphic forms are characterizable as having an X-ray powder diffraction pattern with discernable diffraction lines at different °2&thgr; values for Cu K&agr; radiation having a wavelength of 1.5406 Angstrom.